Actress Mary Tyler Moore is recovering after having a four-hour surgery Friday to remove a benign tumor from her brain, according to various press reports. http://www.reuters.com/article/2011/05/13/us-marytylermoore-idUSTRE74B52G20110513 Moore, the 74-year-old who made her name in the sitcoms “The Dick Van Dyke Show” and…